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Re: [avrdude-dev] New pin definition data structure
From: |
Hannes Weisbach |
Subject: |
Re: [avrdude-dev] New pin definition data structure |
Date: |
Sun, 5 May 2013 16:33:44 +0200 |
Am 05.05.2013 um 16:00 schrieb René Liebscher:
> Hi,
>
> I added some more functions for working with the new pin definitions.
> Especially there is now a generic function for checking for valid pin
> definitions to be used by any bitbanging programmer.
>
> It is currently only used in ftdi_syncbb (search for pins_check in ft245r.c),
> but might also used in avrftdi and others.
>
> For avrftdi I have attached an example how to it (after you have changed the
> pin numbering there to be 0-based). Also one could remove then the pin
> validation code from the add_pins function.
>
Hi,
is there a reason why pindef_t.mask and pindef_t.inverse are not zero
initialised? For avrftdi it would make things really easy, because all pins
could be OR'ed (minus MISO) to build the data direction mask.
Best regards,
Hannes